| Reference Number | TPC/5/4/366 |
| Title | Upper Theatre and Offices Group, Soffit Balcony |
| Level | Item |
| Date | 30 January 1973 |
| Description | Denys Lasdun & Partners drawing number 552 02/3606 issue A. Original date August 1971. |
| Extent | 1 drawing |
| Series | Denys Lasdun & Partners Drawings |